The AM Roundup: the Copy Cat Argument, the Younger Scalia, More

MBS: J.P. Morgan Chase Co. is employing an unusual argument in its new legal fight with New York Attorney General Eric Schneiderman: The prosecutor didn’t do his own work. A J.P. Morgan spokesman said the case, brought under the umbrella of the Residential Mortgage-Backed Securities Working Group, relied on “recycled claims already made by private plaintiffs.” WSJ

The other Scalia: A former Labor Department lawyer and the son of Supreme Court Justice Antonin Scalia, Eugene Scalia has emerged as one of the industry’s go-to guys for challenging financial regulations. WSJ

Voter ID: A Pennsylvania judge’s decision Tuesday to halt enforcement of a voter ID measure was the latest in a series of legal victories for those opposed to laws that they charge would limit access. . .